cosmological perturbations

modified theories of gravity

numerical cosmology

reheating process

topological defects

cosmic string

cosmic microwave background

gravitational waves

cosmology

Natural sciences, Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics, cosmology

Apr. 2025 - Present
Nihon University, College of Science and Technology Department of Physics, Assistant Professor

Apr. 2020 - Mar. 2025
Rikkyo University, Department of Physics, College of Science, Assistant Professor

Apr. 2019 - Mar. 2020
The University of Tokyo, Institute for Cosmic Ray Research, ICRR fellow

Sep. 2016 - Mar. 2019
Rikkyo University, Department of Physics, Collage of Science, Postdoctoral fellow

Apr. 2016 - Aug. 2016
University of Kyoto, Yukawa Institute for Theoretical Physics, Research fellow

Apr. 2011 - Mar. 2016
University of Kyoto, Yukawa Institute for Theoretical Physics, Program-specific Researcher

Apr. 2010 - Mar. 2011
University of Kyoto, Yukawa Institute for Theoretical Physics, Research fellow

Apr. 2008 - Mar. 2010
The University of Tokyo, Institute for Cosmic Ray Research, Research fellow

Apr. 2007 - Mar. 2008
The University of Tokyo, Research Center for the Early Universe, Research fellow

Apr. 2004 - Mar. 2007
The University of Tokyo, Graduate school of Science, Department of Physics, Doctor's course

Apr. 2002 - Mar. 2004
The University of Tokyo, Graduate school of Science, Department of Physics, Master's cource

Apr. 2000 - Mar. 2002
The University of Tokyo, School of Science, Department of Physics

Apr. 1998 - Mar. 2000
The University of Tokyo, Collage of Arts and Sciences, Natural Sciences I

CMB spectrum in unified EFT of dark energy: scalar-tensor and vector-tensor theories
Katsuki Aoki; Mohammad Ali Gorji; Takashi Hiramatsu; Shinji Mukohyama; Masroor C. Pookkillath; Kazufumi Takahashi
Journal of Cosmology and Astroparticle Physics, Jul. 2024

Dynamical simulations of colliding superconducting strings
Takashi Hiramatsu; Marc Lilley; Daisuke Yamauchi
Journal of Cosmology and Astroparticle Physics, Jun. 2024

Weak-field regime of scalar-tensor theories with an instantaneous mode
Tsutomu Kobayashi; Takashi Hiramatsu
Physical Review D, Mar. 2024, Refereed

String-wall composites winding around a torus knot vacuum in an axionlike model
Minoru Eto; Takashi Hiramatsu; Izumi Saito; Yuki Sakakihara
Physical Review D, Dec. 2023, Refereed

Cosmological gravity probes: connecting recent theoretical developments to forthcoming observations
Shun Arai; Katsuki Aoki; Yuji Chinone; Rampei Kimura; Tsutomu Kobayashi; Hironao Miyatake; Daisuke Yamauchi; Shuichiro Yokoyama; Kazuyuki Akitsu; Takashi Hiramatsu; Shin’ichi Hirano; Ryotaro Kase; Taishi Katsuragawa; Yosuke Kobayashi; Toshiya Namikawa; Takahiro Nishimichi; Teppei Okumura; Maresuke Shiraishi; Masato Shirasaki; Tomomi Sunayama; Kazufumi Takahashi; Atsushi Taruya; Junsei Tokuda
Progress of Theoretical and Experimental Physics, Apr. 2023, Refereed, Not invited

CMB constraints on DHOST theories
Takashi Hiramatsu
Journal of Cosmology and Astroparticle Physics, Oct. 2022, Refereed, Not invited
Lead

Testing gravity with the cosmic microwave background: constraints on modified gravity with two tensorial degrees of freedom
Takashi Hiramatsu; Tsutomu Kobayashi
Journal of Cosmology and Astroparticle Physics, Jul. 2022, Refereed, Not invited
Lead

Gauge kinetic mixing and dark topological defects
Takashi Hiramatsu; Masahiro Ibe; Motoo Suzuki; Soma Yamaguchi
Journal of High Energy Physics, Dec. 2021, Refereed, Not invited
Lead

Gravitational wave spectra from oscillon formation after inflation
Takashi Hiramatsu; Evangelos I. Sfakianakis; Masahide Yamaguchi
Journal of High Energy Physics, Mar. 2021, Refereed, Not invited
Lead

Statistically-anisotropic tensor bispectrum from inflation
Takashi Hiramatsu; Kai Murai; Ippei Obata; Shuichiro Yokoyama
Journal of Cosmology and Astroparticle Physics, Mar. 2021, Refereed, Not invited

Testing gravity theories with cosmic microwave background in the degenerate higher-order scalar-tensor theory
Takashi Hiramatsu; Daisuke Yamauchi
Physical Review D, Oct. 2020, Refereed, Not invited
Lead

Cosmic string in Abelian-Higgs model with enhanced symmetry — Implication to the axion domain-wall problem
Takashi Hiramatsu; Masahiro Ibe; Motoo Suzuki
Journal of High Energy Physics, Sep. 2020, Refereed, Not invited
Lead

New Type of String Solutions with Long Range Forces
Takashi Hiramatsu; Masahiro Ibe; Motoo Suzuki
Journal of High Energy Physics, Feb. 2020, Refereed, Not invited
Lead

Testing Seesaw and Leptogenesis with Gravitational Waves
Jeff A. Dror; Takashi Hiramatsu; Kazunori Kohri; Hitoshi Murayama; Graham White
Physical Review Letters, Aug. 2019, Refereed, Not invited

Hunting for Statistical Anisotropy in Tensor Modes with B-mode Observations
Takashi Hiramatsu; Shuichiro Yokoyama; Tomohiro Fujita; Ippei Obata
Physical Review, Oct. 2018, Refereed, Not invited
Lead

Reconstruction of primordial tensor power spectra from B-mode polarization of the cosmic microwave background
Takashi Hiramatsu; Eiichiro Komatsu; Masashi Hazumi; Misao Sasaki
Physical Review, Jun. 2018, Refereed, Not invited
Lead

Relativistic stars in degenerate higher-order scalar-tensor theories after GW170817
Tsutomu Kobayashi; Takashi Hiramatsu
Physical Review D, May 2018, Refereed, Not invited

Anti-screening of the Galileon force around a disk center hole
Hiromu Ogawa; Takashi Hiramatsu; Tsutomu Kobayashi
Feb. 2018, Refereed, Not invited

Y-junction intercommutations of current carrying strings
D. A. Steer; Marc Lilley; Daisuke Yamauchi; Takashi Hiramatsu
Physical Review D, Jan. 2018, Refereed, Not invited

CMB bispectra induced by lensing
Takashi Hiramatsu; Daisuke Yamauchi
Proceedings of the 28th Workshop on General Relativity and Gravitation in Japan, JGRG 2018, 2018

Space Gravitational Wave Antenna DECIGO and B-DECIGO
Kawamura, Seiji; Nakamura, Takashi; Ando, Masaki; Seto, Naoki; Akutsu, Tomotada; Funaki, Ikkoh; Ioka, Kunihito; K; a, Nobuyuki; Kawano, Isao; Musha, Mitsuru; Nakazawa, Kazuhiro; Sato, Shuichi; Takashima, Takeshi; Tanaka, Takahiro; Tsubono, Kimio; Yokoyama, Jun'ichi; Agatsuma, Kazuhiro; Aoyanagi, Koh-suke; Arai, Koji; Araya, Akito; Aritomi, Naoki; Asada, Hideki; Aso, Yoichi; Chen, Dan; Chiba, Takeshi; Ebisuzaki, Toshikazu; Eguchi, Satoshi; Ejiri, Yumiko; Enoki, Motohiro; Eriguchi, Yoshiharu; Fujimoto, Masa-Katsu; Fujita, Ryuichi; Fukushima, Mitsuhiro; Futamase, Toshifumi; Gondo, Rina; Harada, Tomohiro; Hashimoto, Tatsuaki; Hayama, Kazuhiro; Hikida, Wataru; Himemoto, Yoshiaki; Hirabayashi, Hisashi; Hiramatsu, Takashi; Hong, Feng-Lei; Horisawa, Hideyuki; Hosokawa, Mizuhiko; Ichiki, Kiyotomo; Ikegami, Takeshi; Inoue, Kaiki T; Ishihara, Hideki; Ishikawa, Takehiko; Ishizaki, Hideharu; Ito, Hiroyuki; Itoh, Yousuke; Izumi, Kiwamu; Kanemura, Shinya; Kawashima, Nobuki; Kawazoe, Fumiko; Kishimoto, Naoko; Kiuchi, Kenta; Kobayashi, Shiho; Kohri, Kazunori; Koizumi, Hiroyuki; Kojima, Yasufumi; Kokeyama, Keiko; Kokuyama, Wataru; Kotake, Kei; Kozai, Yoshihide; Kunimori, Hiroo; Kuninaka, Hitoshi; Kuroda, Kazuaki; Kuroyanagi, Sachiko; Maeda, Kei-ichi; Matsuhara, Hideo; Matsumoto, Nobuyuki; Michimura, Yuta; Miyakawa, Osamu; Miyamoto, Umpei; Miyoki, Shinji; Morimoto, Mutsuko Y; Morisawa, Toshiyuki; Moriwaki, Shigenori; Mukohyama, Shinji; Nagano, Shigeo; Nakamura, Kouji; Nakano, Hiroyuki; Nakao, Kenichi; Nakasuka, Shinichi; Nakayama, Yoshinori; Nishida, Erina; Nishizawa, Atsushi; Niwa, Yoshito; Noumi, Taiga; Obuchi, Yoshiyuki; Ohishi, Naoko; Ohkawa, Masashi; Okada, Kenshi; Okada, Norio; Okutomi, Koki; Oohara, Kenichi; Sago, Norichika; Saijo, Motoyuki; Saito, Ryo; Sakagami, Masaaki; Sakai, Shin-ichiro; Sakata, Shihori; Sasaki, Misao; Sato, Takashi; Shibata, Masaru; Shibata, Kazunori; Shimo-oku, Ayumi; Shinkai, Hisaaki; Shoda, Ayaka; Somiya, Kentaro; Sotani, Hajime; Suemasa, Aru; Sugiyama, Naoshi; Suwa, Yudai; Suzuki, Rieko; Tagoshi, Hideyuki; Takahashi, Fuminobu; Takahashi, Kakeru; Takahashi, Keitaro; Takahashi, Ryutaro; Takahashi, Ryuichi; Takahashi, Hirotaka; Akiteru, Takamori; Takano, Tadashi; Tanaka, Nobuyuki; Taniguchi, Keisuke; Taruya, Atsushi; Tashiro, Hiroyuki; Torii, Yasuo; Toyoshima, Morio; Tsujikawa, Shinji; Ueda, Akitoshi; Ueda, Ken-ichi; Ushiba, Takafumi; Utashima, Masayoshi; Wakabayashi, Yaka; Yagi, Kent; Yamamoto, Kazuhiro; Yamazaki, Toshitaka; Yoo, Chul-Moon; Yoshida, Shijun; Yoshino, Taizoh
International Journal of Modern Physics D, 2018, Not refereed, Not invited

The status of DECIGO
Shuichi Sato; Seiji Kawamura; Masaki Ando; Takashi Nakamura; Kimio Tsubono; Akito Araya; Ikkoh Funaki; Kunihito Ioka; Nobuyuki Kanda; Shigenori Moriwaki; Mitsuru Musha; Kazuhiro Nakazawa; Kenji Numata; Shin Ichiro Sakai; Naoki Seto; Takeshi Takashima; Takahiro Tanaka; Kazuhiro Agatsuma; Koh Suke Aoyanagi; Koji Arai; Hideki Asada; Yoichi Aso; Takeshi Chiba; Toshikazu Ebisuzaki; Yumiko Ejiri; Motohiro Enoki; Yoshiharu Eriguchi; Masa Katsu Fujimoto; Ryuichi Fujita; Mitsuhiro Fukushima; Toshifumi Futamase; Katsuhiko Ganzu; Tomohiro Harada; Tatsuaki Hashimoto; Kazuhiro Hayama; Wataru Hikida; Yoshiaki Himemoto; Hisashi Hirabayashi; Takashi Hiramatsu; Feng Lei Hong; Hideyuki Horisawa; Mizuhiko Hosokawa; Kiyotomo Ichiki; Takeshi Ikegami; Kaiki T. Inoue; Koji Ishidoshiro; Hideki Ishihara; Takehiko Ishikawa; Hideharu Ishizaki; Hiroyuki Ito; Yousuke Itoh; Nobuki Kawashima; Fumiko Kawazoe; Naoko Kishimoto; Kenta Kiuchi; Shiho Kobayashi; Kazunori Kohri; Hiroyuki Koizumi; Yasufumi Kojima; Keiko Kokeyama; Wataru Kokuyama; Kei Kotake; Yoshihide Kozai; Hideaki Kudoh; Hiroo Kunimori; Hitoshi Kuninaka; Kazuaki Kuroda; Kei Ichi Maeda; Hideo Matsuhara; Yasushi Mino; Osamu Miyakawa; Shinji Miyoki; Mutsuko Y. Morimoto; Tomoko Morioka; Toshiyuki Morisawa; Shinji Mukohyama; Shigeo Nagano; Isao Naito; Kouji Nakamura; Hiroyuki Nakano; Kenichi Nakao; Shinichi Nakasuka; Yoshinori Nakayama; Erina Nishida; Kazutaka Nishiyama; Atsushi Nishizawa; Yoshito Niwa; Taiga Noumi; Yoshiyuki Obuchi; Masatake Ohashi; Naoko Ohishi; Masashi Ohkawa; Norio Okada; Kouji Onozato; Kenichi Oohara; Norichika Sago; Motoyuki Saijo; Masaaki Sakagami; Shihori Sakata; Misao Sasaki
Journal of Physics: Conference Series, Jun. 2017, Refereed, Not invited

CMB scale dependent non-Gaussianity from massive gravity during inflation
Domenech, Guillem; Hiramatsu, Takashi; Lin, Chunshan; Sasaki, Misao; Shiraishi, Maresuke; Wang, Yi
Journal of Cosmology and Astroparticle Physics, 2017, Refereed, Not invited

Reconstruction of primordial tensor power spectrum from B-mode observations
Takashi Hiramatsu; Eiichiro Komatsu; Masashi Hazumi; Misao Sasaki
Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 2017, 2017

An update on the Axion Helioscopes front: Current activities at CAST and the IAXO project
T. Dafni; M. Arik; E. Armengaud; S. Aune; F. T. Avignone; K. Barth; A. Belov; M. Betz; H. Bräuninger; P. Brax; N. Breijnholt; P. Brun; G. Cantatore; J. M. Carmona; G. P. Carosi; F. Caspers; S. Caspi; S. A. Cetin; D. Chelouche; F. E. Christensen; J. I. Collar; A. Dael; M. Davenport; A. V. Derbin; K. Desch; A. Diago; B. Döbrich; I. Dratchnev; A. Dudarev; C. Eleftheriadis; G. Fanourakis; E. Ferrer-Ribas; P. Friedrich; J. Galán; J. A. García; A. Gardikiotis; J. G. Garza; E. N. Gazis; E. Georgiopoulou; T. Geralis; B. Gimeno; I. Giomataris; S. Gninenko; H. Gómez; D. González-Díaz; E. Gruber; E. Guendelman; T. Guthörl; C. J. Hailey; R. Hartmann; S. Hauf; F. Haug; M. D. Hasinoff; T. Hiramatsu; D. H.H. Hoffmann; D. Horns; F. J. Iguaz; I. G. Irastorza; J. Isern; K. Imai; J. Jacoby; J. Jaeckel; A. C. Jakobsen; K. Jakovcić; J. Kaminski; M. Kawasaki; M. Karuza; K. Königsmann; R. Kotthaus; M. Krcmar; K. Kousouris; C. Krieger; M. Kuster; B. Lakić; J. M. Laurent; O. Limousin; A. Lindner; A. Liolios; A. Ljubicić; G. Luzón; S. Matsuki; V. N. Muratova; S. Neff; T. Niinikoski; C. Nones; I. Ortega; T. Papaevangelou; M. J. Pivovaroff; G. Raffelt; J. Redondo; H. Riege; A. Ringwald; A. Rodríguez; M. Rosu; S. Russenschuck; J. Ruz; K. Saikawa; I. Savvidis; T. Sekiguchi; Y. K. Semertzidis; I. Shilon; P. Sikivie; H. Silva; S. K. Solanki; L. Stewart; H. H.J. ten Kate; A. Tomas; S. Troitsky; T. Vafeiadis; K. van Bibber; P. Vedrine; J. A. Villar; J. K. Vogel; L. Walckiers; A. Weltman; W. Wester; S. C. Yildiz; K. Zioutas
Nuclear and Particle Physics Proceedings, Apr. 2016, Refereed, Not invited

Reheating signature in the gravitational wave spectrum from self-ordering scalar fields
Sachiko Kuroyanagi; Takashi Hiramatsu; Jun'ichi Yokoyama
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Feb. 2016, Refereed, Not invited

The IAXO Helioscope
E Ferrer Ribas; E. Armengaud; F. T. Avignone; M. Betz; P. Brax; P. Brun; G. Cantatore; J. M. Carmona; G. P. Carosi; F. Caspers; S. Caspi; S. A. Cetin; D. Chelouche; F. E. Christensen; A. Dael; T. Dafni; M. Davenport; A. V. Derbin; K. Desch; A. Diago; B. Döbrich; I. Dratchnev; A. Dudarev; C. Eleftheriadis; G. Fanourakis; J. Galán; J. A. García; J. G. Garza; T. Geralis; B. Gimeno; I. Giomataris; S. Gninenko; H. Gómez; D. González-Diaz; E. Guendelman; C. J. Hailey; T. Hiramatsu; D. H.H. Hoffmann; D. Horns; F. J. Iguaz; I. G. Irastorza; J. Isern; K. Imai; J. Jaeckel; A. C. Jakobsen; K. Jakovčić; J. Kaminski; M. Kawasaki; M. Karuza; M. Krčmar; K. Kousouris; C. Krieger; B. Lakić; O. Limousin; A. Lindner; A. Liolios; G. Luzón; S. Matsuki; V. N. Muratova; C. Nones; I. Ortega; T. Papaevangelou; M. J. Pivovaroff; G. Raffelt; J. Redondo; A. Ringwald; S. Russenschuck; J. Ruz; K. Saikawa; I. Savvidis; T. Sekiguchi; Y. K. Semertzidis; I. Shilon; P. Sikivie; H. Silva; H. H.J. Ten Kate; A. Tomas; S. Troitsky; T. Vafeiadis; K. Van Bibber; P. Vedrine; J. A. Villar; J. K. Vogel; L. Walckiers; A. Weltman; W. Wester; S. C. Yildiz; K. Zioutas
Journal of Physics: Conference Series, Nov. 2015, Refereed, Not invited

Effects of thermal fluctuations on thermal inflation
Takashi Hiramatsu; Yuhei Miyamoto; Jun'ichi Yokoyama
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Mar. 2015, Refereed, Not invited

The next generation of axion helioscopes: The International Axion Observatory (IAXO)
J. K. Vogel; E. Armengaud; F. T. Avignone; M. Betz; P. Brax; P. Brun; G. Cantatore; J. M. Carmona; G. P. Carosi; F. Caspers; S. Caspi; S. A. Cetin; D. Chelouche; F. E. Christensen; A. Dael; T. Dafni; M. Davenport; A. V. Derbin; K. Desch; A. Diago; B. Doebrich; I. Dratchnev; A. Dudarev; C. Eleftheriadis; G. Fanourakis; E. Ferrer-Ribas; J. Galan; J. A. Garcia; J. G. Garza; T. Geralis; B. Gimeno; I. Giomataris; S. Gninenko; H. Gomez; D. Gonzalez-Diaz; E. Guendelman; C. J. Hailey; T. Hiramatsu; D. H. H. Hoffmann; D. Horns; F. J. Iguaz; I. G. Irastorza; J. Isern; K. Imai; A. C. Jakobsen; J. Jaeckel; K. Jakovcic; J. Kaminski; M. Kawasaki; M. Karuza; M. Krcmar; K. Kousouris; C. Krieger; B. Lakic; O. Limousin; A. Lindner; A. Liolios; G. Luzon; S. Matsuki; V. N. Muratova; C. Nones; I. Ortega; T. Papaevangelou; M. J. Pivovaroff; G. Raffelt; J. Redondo; A. Ringwald; S. Russenschuck; J. Ruz; K. Saikawa; I. Savvidis; T. Sekiguchi; Y. K. Semertzidis; I. Shilon; P. Sikivie; H. Silva; H. ten Kate; A. Tomas; S. Troitsky; T. Vafeiadis; K. van Bibber; P. Vedrine; J. A. Villar; L. Walckiers; A. Weltman; W. Wester; S. C. Yildiz; K. Zioutas
13TH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS, TAUP 2013, 2015, Refereed, Not invited

Regularized cosmological power spectrum and correlation function in modified gravity models
Atsushi Taruya; Takahiro Nishimichi; Francis Bernardeau; Takashi Hiramatsu; Kazuya Koyama
PHYSICAL REVIEW D, Dec. 2014, Refereed, Not invited

Geodesic curve-of-sight formulae for the cosmic microwave background: a unified treatment of redshift, time delay, and lensing
Ryo Saito; Atsushi Naruko; Takashi Hiramatsu; Misao Sasaki
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Oct. 2014, Refereed, Not invited

Conceptual design of the International Axion Observatory (IAXO)
E. Armengaud; F. T. Avignone; M. Betz; P. Brax; P. Brun; G. Cantatore; J. M. Carmona; G. P. Carosi; F. Caspers; S. Caspi; S. A. Cetin; D. Chelouche; F. E. Christensen; A. Dael; T. Dafni; M. Davenport; A. V. Derbin; K. Desch; A. Diago; B. Doebrich; I. Dratchnev; A. Dudarev; C. Eleftheriadis; G. Fanourakis; E. Ferrer-Ribas; J. Galan; J. A. Garcia; J. G. Garza; T. Geralis; B. Gimeno; I. Giomataris; S. Gninenko; H. Gomez; D. Gonzalez-Diaz; E. Guendelman; C. J. Hailey; T. Hiramatsu; D. H. H. Hoffmann; D. Horns; F. J. Iguaz; I. G. Irastorza; J. Isern; K. Imai; A. C. Jakobsen; J. Jaeckel; K. Jakovcic; J. Kaminski; M. Kawasaki; M. Karuza; M. Krcmar; K. Kousouris; C. Krieger; B. Lakic; O. Limousin; A. Lindner; A. Liolios; G. Luzon; S. Matsuki; V. N. Muratova; C. Nones; I. Ortega; T. Papaevangelou; M. J. Pivovaroff; G. Raffelt; J. Redondo; A. Ringwald; S. Russenschuck; J. Ruz; K. Saikawa; I. Savvidis; T. Sekiguchi; Y. K. Semertzidis; I. Shilon; P. Sikivie; H. Silva; H. ten Kate; A. Tomas; S. Troitsky; T. Vafeiadis; K. van Bibber; P. Vedrine; J. A. Villar; J. K. Vogel; L. Walckiers; A. Weltman; W. Wester; S. C. Yildiz; K. Zioutas
JOURNAL OF INSTRUMENTATION, May 2014, Refereed, Not invited

On the estimation of gravitational wave spectrum from cosmic domain walls
Takashi Hiramatsu; Masahiro Kawasaki; Ken'ichi Saikawa
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Feb. 2014, Refereed, Not invited

Beyond consistency test of gravity with redshift-space distortions at quasilinear scales
Atsushi Taruya; Kazuya Koyama; Takashi Hiramatsu; Akira Oka
PHYSICAL REVIEW D, Feb. 2014, Refereed, Not invited

Instability of colliding metastable strings
Takashi Hiramatsu; Minoru Eto; Kohei Kamada; Tatsuo Kobayashi; Yutaka Ookouchi
JOURNAL OF HIGH ENERGY PHYSICS, Jan. 2014, Refereed, Not invited

Progress of code development: 2nd-order Einstein-Boltzmann solver for CMB anisotropy
Takashi Hiramatsu; Ryo Saito; Atsushi Naruko; Misao Sasaki
JGRG 2014 - Proceedings of the 24th Workshop on General Relativity and Gravitation in Japan, 2014

Production and Evolution of Dark Matter Axions in the Early Universe
Ken’ichi Saikawa; Takashi Hiramatsu; Masahiro Kawasaki; Toshifumi Noumi; Ryosuke Sato; Toyokazu Sekiguchi; Masahide Yamaguchi
Proceedings in 10th Patras workshop on Axions, WIMPs and WISPs (axion-wimp2014), 2014, Not refereed, Not invited

Type-I cosmic-string network
Takashi Hiramatsu; Yuuiti Sendouda; Keitaro Takahashi; Daisuke Yamauchi; Chul-Moon Yoo
PHYSICAL REVIEW D, Oct. 2013, Refereed, Not invited

Equivalence principle violation in Vainshtein screened two-body systems
Takashi Hiramatsu; Wayne Hu; Kazuya Koyama; Fabian Schmidt
Physical Review D - Particles, Fields, Gravitation and Cosmology, Mar. 2013, Refereed, Not invited

Equivalence principle violation in Vainshtein screened two-body systems
Takashi Hiramatsu; Wayne Hu; Kazuya Koyama; Fabian Schmidt
PHYSICAL REVIEW D, Mar. 2013, Refereed, Not invited

Axion cosmology with long-lived domain walls
Takashi Hiramatsu; Masahiro Kawasaki; Ken'ichi Saikawa; Toyokazu Sekiguchi
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Jan. 2013, Refereed, Not invited

Bound states of extreme Type-I cosmic strings in two-dimensional space
Takashi Hiramatsu; Daisuke Yamauchi
JGRG 2013 - Proceedings of the 23rd Workshop on General Relativity and Gravitation in Japan, 2013

“Cosmological Upper-Bound for f(R) gravity through redshift-space distortion”
O. K.A. Akira; Atsushi Taruya; Takashi Hiramatsu; Kazuya Koyama; Kazuhiro Yamamoto; Takahiro Nishimichi
JGRG 2013 - Proceedings of the 23rd Workshop on General Relativity and Gravitation in Japan, 2013

Future axion searches with the International Axion Observatory (IAXO)
I. G. Irastorza; F. T. Avignone; G. Cantatore; J. M. Carmona; S. Caspi; S. A. Cetin; F. E. Christensen; A. Dael; T. Dafni; M. Davenport; A. V. Derbin; K. Desch; A. Diago; B. Doebrich; A. Dudarev; C. Eleftheriadis; G. Fanourakis; E. Ferrer-Ribas; J. Galan; J. A. Garcia; J. G. Garza; T. Geralis; B. Gimeno; I. Giomataris; S. Gninenko; H. Gomez; E. Guendelman; C. J. Hailey; T. Hiramatsu; D. H. H. Hoffmann; D. Horns; F. J. Iguaz; J. Isern; A. C. Jakobsen; J. Jaeckel; K. Jakovcic; J. Kaminski; M. Kawasaki; M. Krcmar; C. Krieger; B. Lakic; A. Lindner; A. Liolios; G. Luzon; I. Ortega; T. Papaevangelou; M. J. Pivovaroff; G. Raffelt; J. Redondo; A. Ringwald; S. Russenschuck; J. Ruz; K. Saikawa; I. Savvidis; T. Sekiguchi; I. Shilon; P. Sikivie; H. Silva; H. ten Kate; A. Tomas; S. Troitsky; T. Vafeiadis; K. van Bibber; P. Vedrine; J. A. Villar; J. K. Vogel; L. Walckiers; W. Wester; S. C. Yildiz; K. Zioutas
SIXTH SYMPOSIUM ON LARGE TPCS FOR LOW ENERGY RARE EVENT DETECTION, 2013, Refereed, Not invited

Production of dark matter axions from collapse of string-wall systems (vol 85, 105020, 2012)
Takashi Hiramatsu; Masahiro Kawasaki; Ken'ichi Saikawa; Toyokazu Sekiguchi
PHYSICAL REVIEW D, Oct. 2012, Refereed, Not invited

Production of dark matter axions from collapse of string-wall systems
Takashi Hiramatsu; Masahiro Kawasaki; Ken'ichi Saikawa; Toyokazu Sekiguchi
PHYSICAL REVIEW D, May 2012, Refereed, Not invited

Evolution of string-wall networks and axionic domain wall problem
Takashi Hiramatsu; Masahiro Kawasaki; Ken'ichi Saikawa
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Aug. 2011, Refereed, Not invited

Improved estimation of radiated axions from cosmological axionic strings
Takashi Hiramatsu; Masahiro Kawasaki; Toyokazu Sekiguchi; Masahide Yamaguchi; Jun'ichi Yokoyama
PHYSICAL REVIEW D, Jun. 2011, Refereed, Not invited

The Japanese space gravitational wave antenna: DECIGO
Seiji Kawamura; Masaki Ando; Naoki Seto; Shuichi Sato; Takashi Nakamura; Kimio Tsubono; Nobuyuki Kanda; Takahiro Tanaka; Jun'ichi Yokoyama; Ikkoh Funaki; Kenji Numata; Kunihito Ioka; Takeshi Takashima; Kazuhiro Agatsuma; Tomotada Akutsu; Koh-suke Aoyanagi; Koji Arai; Akito Araya; Hideki Asada; Yoichi Aso; Dan Chen; Takeshi Chiba; Toshikazu Ebisuzaki; Yumiko Ejiri; Motohiro Enoki; Yoshiharu Eriguchi; Masa-Katsu Fujimoto; Ryuichi Fujita; Mitsuhiro Fukushima; Toshifumi Futamase; Tomohiro Harada; Tatsuaki Hashimoto; Kazuhiro Hayama; Wataru Hikida; Yoshiaki Himemoto; Hisashi Hirabayashi; Takashi Hiramatsu; Feng-Lei Hong; Hideyuki Horisawa; Mizuhiko Hosokawa; Kiyotomo Ichiki; Takeshi Ikegami; Kaiki T. Inoue; Koji Ishidoshiro; Hideki Ishihara; Takehiko Ishikawa; Hideharu Ishizaki; Hiroyuki Ito; Yousuke Itoh; Kiwamu Izumi; Isao Kawano; Nobuki Kawashima; Fumiko Kawazoe; Naoko Kishimoto; Kenta Kiuchi; Shiho Kobayashi; Kazunori Kohri; Hiroyuki Koizumi; Yasufumi Kojima; Keiko Kokeyama; Wataru Kokuyama; Kei Kotake; Yoshihide Kozai; Hiroo Kunimori; Hitoshi Kuninaka; Kazuaki Kuroda; Sachiko Kuroyanagi; Kei-ichi Maeda; Hideo Matsuhara; Nobuyuki Matsumoto; Yuta Michimura; Osamu Miyakawa; Umpei Miyamoto; Shinji Miyoki; Mutsuko Y. Morimoto; Toshiyuki Morisawa; Shigenori Moriwaki; Shinji Mukohyama; Mitsuru Musha; Shigeo Nagano; Isao Naito; Kouji Nakamura; Hiroyuki Nakano; Kenichi Nakao; Shinichi Nakasuka; Yoshinori Nakayama; Kazuhiro Nakazawa; Erina Nishida; Kazutaka Nishiyama; Atsushi Nishizawa; Yoshito Niwa; Taiga Noumi; Yoshiyuki Obuchi; Masatake Ohashi; Naoko Ohishi; Masashi Ohkawa; Kenshi Okada; Norio Okada; Kenichi Oohara; Norichika Sago; Motoyuki Saijo; Ryo Saito; Masaaki Sakagami; Shin-ichiro Sakai; Shihori Sakata; Misao Sasaki; Takashi Sato; Masaru Shibata; Hisaaki Shinkai; Ayaka Shoda; Kentaro Somiya; Hajime Sotani; Naoshi Sugiyama; Yudai Suwa; Rieko Suzuki; Hideyuki Tagoshi; Fuminobu Takahashi; Kakeru Takahashi; Keitaro Takahashi; Ryutaro Takahashi; Ryuichi Takahashi; Tadayuki Takahashi; Hirotaka Takahashi; Takamori Akiteru; Tadashi Takano; Nobuyuki Tanaka; Keisuke Taniguchi; Atsushi Taruya; Hiroyuki Tashiro; Yasuo Torii; Morio Toyoshima; Shinji Tsujikawa; Yoshiki Tsunesada; Akitoshi Ueda; Ken-ichi Ueda; Masayoshi Utashima; Yaka Wakabayashi; Kent Yagi; Hiroshi Yamakawa; Kazuhiro Yamamoto; Toshitaka Yamazaki; Chul-Moon Yoo; Shijun Yoshida; Taizoh Yoshino; Ke-Xun Sun
CLASSICAL AND QUANTUM GRAVITY, May 2011, Refereed, Not invited

Numerical Study of Q-Ball Formation in Gravity Mediation
Takashi Hiramatsu; Masahiro Kawasaki; Fuminobu Takahashi
PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT, 2011, Refereed, Not invited

Energy spectrum estimation of axion radiation from topological defects
Toyokakzu Sekiguchi; Takashi Hiramatsu; Masahiro Kawasaki; Kenichi Saikawa; Masahide Yamaguchi; Junichi Yokoyama
Proceedings of the 10th International conference on Gravitation, Astrophysics and Cosmology, ICGAC 2011, 2011

Numerical study of Q-ball formation in gravity mediation
Takashi Hiramatsu; Masahiro Kawasaki; Fuminobu Takahashi
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Jun. 2010, Refereed, Not invited

Gravitational waves from collapsing domain walls
Takashi Hiramatsu; Masahiro Kawasaki; Ken'ichi Saikawa
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, May 2010, Refereed, Not invited

DECIGO and DECIGO pathfinder
Masaki Ando; Seiji Kawamura; Naoki Seto; Shuichi Sato; Takashi Nakamura; Kimio Tsubono; Takeshi Takashima; Ikkoh Funaki; Kenji Numata; Nobuyuki Kanda; Takahiro Tanaka; Kunihito Ioka; Kazuhiro Agatsuma; Koh-suke Aoyanagi; Koji Arai; Akito Araya; Hideki Asada; Yoichi Aso; Takeshi Chiba; Toshikazu Ebisuzaki; Yumiko Ejiri; Motohiro Enoki; Yoshiharu Eriguchi; Masa-Katsu Fujimoto; Ryuichi Fujita; Mitsuhiro Fukushima; Toshifumi Futamase; Tomohiro Harada; Tatsuaki Hashimoto; Kazuhiro Hayama; Wataru Hikida; Yoshiaki Himemoto; Hisashi Hirabayashi; Takashi Hiramatsu; Feng-Lei Hong; Hideyuki Horisawa; Mizuhiko Hosokawa; Kiyotomo Ichiki; Takeshi Ikegami; Kaiki T. Inoue; Koji Ishidoshiro; Hideki Ishihara; Takehiko Ishikawa; Hideharu Ishizaki; Hiroyuki Ito; Yousuke Itoh; Kiwamu Izumi; Isao Kawano; Nobuki Kawashima; Fumiko Kawazoe; Naoko Kishimoto; Kenta Kiuchi; Shiho Kobayashi; Kazunori Kohri; Hiroyuki Koizumi; Yasufumi Kojima; Keiko Kokeyama; Wataru Kokuyama; Kei Kotake; Yoshihide Kozai; Hiroo Kunimori; Hitoshi Kuninaka; Kazuaki Kuroda; Kei-ichi Maeda; Hideo Matsuhara; Yasushi Mino; Osamu Miyakawa; Umpei Miyamoto; Shinji Miyoki; Mutsuko Y. Morimoto; Toshiyuki Morisawa; Shigenori Moriwaki; Shinji Mukohyama; Mitsuru Musha; Shigeo Nagano; Isao Naito; Kouji Nakamura; Masahiro Nakamura; Hiroyuki Nakano; Kenichi Nakao; Shinichi Nakasuka; Yoshinori Nakayama; Kazuhiro Nakazawa; Erina Nishida; Kazutaka Nishiyama; Atsushi Nishizawa; Yoshito Niwa; Taiga Noumi; Yoshiyuki Obuchi; Masatake Ohashi; Naoko Ohishi; Masashi Ohkawa; Kenshi Okada; Norio Okada; Kenichi Oohara; Norichika Sago; Motoyuki Saijo; Ryo Saito; Masaaki Sakagami; Shin-ichiro Sakai; Shihori Sakata; Misao Sasaki; Takashi Sato; Masaru Shibata; Hisaaki Shinkai; Kentaro Somiya; Hajime Sotani; Naoshi Sugiyama; Yudai Suwa; Rieko Suzuki; Hideyuki Tagoshi; Fuminobu Takahashi; Kakeru Takahashi; Keitaro Takahashi; Ryutaro Takahashi; Ryuichi Takahashi; Tadayuki Takahashi; Hirotaka Takahashi; Takamori Akiteru; Tadashi Takano; Keisuke Taniguchi; Atsushi Taruya; Hiroyuki Tashiro; Yasuo Torii; Morio Toyoshima; Shinji Tsujikawa; Yoshiki Tsunesada; Akitoshi Ueda; Ken-ichi Ueda; Masayoshi Utashima; Yaka Wakabayashi; Kent Yagi; Hiroshi Yamakawa; Kazuhiro Yamamoto; Toshitaka Yamazaki; Jun'ichi Yokoyama; Chul-Moon Yoo; Shijun Yoshida; Taizoh Yoshino; Ken-Xun Sun
CLASSICAL AND QUANTUM GRAVITY, Apr. 2010, Refereed, Not invited

Gravitational waves from Q-balls in gravity mediation
Takashi Hiramatsu; Fuminobu Takahashi; Masahide Yamaguchi
Proceedings of the 20th Workshop on General Relativity and Gravitation in Japan, JGRG 2010, 2010

Nonlinear evolution of baryon acoustic oscillations from improved perturbation theory in real and redshift spaces
Atsushi Taruya; Takahiro Nishimichi; Shun Saito; Takashi Hiramatsu
PHYSICAL REVIEW D, Dec. 2009, Refereed, Not invited

Nonlinear evolution of the matter power spectrum in modified theories of gravity
Kazuya Koyama; Atsushi Taruya; Takashi Hiramatsu
Physical Review D - Particles, Fields, Gravitation and Cosmology, Jun. 2009, Refereed, Not invited

Nonlinear evolution of the matter power spectrum in modified theories of gravity
Kazuya Koyama; Atsushi Taruya; Takashi Hiramatsu
PHYSICAL REVIEW D, Jun. 2009, Refereed, Not invited

Chasing the nonlinear evolution of matter power spectrum with a numerical resummation method: Solution of closure equations
Takashi Hiramatsu; Atsushi Taruya
PHYSICAL REVIEW D, May 2009, Refereed, Not invited

Chasing the nonlinear evolution of matter power spectrum with a numerical resummation method: Solution of closure equations
Takashi Hiramatsu; Atsushi Taruya
Physical Review D - Particles, Fields, Gravitation and Cosmology, May 2009, Refereed, Not invited

DECIGO pathfinder
Masaki Ando; Seiji Kawamura; Shuichi Sato; Takashi Nakamura; Kimio Tsubono; Akito Araya; Ikkoh Funaki; Kunihito Ioka; Nobuyuki Kanda; Shigenori Moriwaki; Mitsuru Musha; Kazuhiro Nakazawa; Kenji Numata; Shin-ichiro Sakai; Naoki Seto; Takeshi Takashima; Takahiro Tanaka; Kazuhiro Agatsuma; Koh-suke Aoyanagi; Koji Arai; Hideki Asada; Yoichi Aso; Takeshi Chiba; Toshikazu Ebisuzaki; Yumiko Ejiri; Motohiro Enoki; Yoshiharu Eriguchi; Masa-Katsu Fujimoto; Ryuichi Fujita; Mitsuhiro Fukushima; Toshifumi Futamase; Katsuhiko Ganzu; Tomohiro Harada; Tatsuaki Hashimoto; Kazuhiro Hayama; Wataru Hikida; Yoshiaki Himemoto; Hisashi Hirabayashi; Takashi Hiramatsu; Feng-Lei Hong; Hideyuki Horisawa; Mizuhiko Hosokawa; Kiyotomo Ichiki; Takeshi Ikegami; Kaiki T. Inoue; Koji Ishidoshiro; Hideki Ishihara; Takehiko Ishikawa; Hideharu Ishizaki; Hiroyuki Ito; Yousuke Itoh; Nobuki Kawashima; Fumiko Kawazoe; Naoko Kishimoto; Kenta Kiuchi; Shiho Kobayashi; Kazunori Kohri; Hiroyuki Koizumi; Yasufumi Kojima; Keiko Kokeyama; Wataru Kokuyama; Kei Kotake; Yoshihide Kozai; Hideaki Kudoh; Hiroo Kunimori; Hitoshi Kuninaka; Kazuaki Kuroda; Kei-ichi Maeda; Hideo Matsuhara; Yasushi Mino; Osamu Miyakawa; Shinji Miyoki; Mutsuko Y. Morimoto; Tomoko Morioka; Toshiyuki Morisawa; Shinji Mukohyama; Shigeo Nagano; Isao Naito; Kouji Nakamura; Hiroyuki Nakano; Kenichi Nakao; Shinichi Nakasuka; Yoshinori Nakayama; Erina Nishida; Kazutaka Nishiyama; Atsushi Nishizawa; Yoshito Niwa; Taiga Noumi; Yoshiyuki Obuchi; Masatake Ohashi; Naoko Ohishi; Masashi Ohkawa; Norio Okada; Kouji Onozato; Kenichi Oohara; Norichika Sago; Motoyuki Saijo; Masaaki Sakagami; Shihori Sakata; Misao Sasaki; Takashi Sato; Masaru Shibata; Hisaaki Shinkai; Kentaro Somiya; Hajime Sotani; Naoshi Sugiyama; Yudai Suwa; Rieko Suzuki; Hideyuki Tagoshi; Fuminobu Takahashi; Kakeru Takahashi; Keitaro Takahashi; Ryutaro Takahashi; Ryuichi Takahashi; Tadayuki Takahashi; Hirotaka Takahashi; Takamori Akiteru; Tadashi Takano; Keisuke Taniguchi; Atsushi Taruya; Hiroyuki Tashiro; Yasuo Torii; Morio Toyoshima; Shinji Tsujikawa; Yoshiki Tsunesada; Akitoshi Ueda; Ken-ichi Ueda; Masayoshi Utashima; Yaka Wakabayashi; Hiroshi Yamakawa; Kazuhiro Yamamoto; Toshitaka Yamazaki; Jun'ichi Yokoyama; Chul-Moon Yoo; Shijun Yoshida; Taizoh Yoshino
CLASSICAL AND QUANTUM GRAVITY, May 2009, Refereed, Not invited

A closure theory for nonlinear evolution of cosmological power spectra
Katsushi Taruya; Takashi Hiramatsu
Astrophysical Journal, Feb. 2008, Refereed, Not invited

Non-linear evolution of matter power spectrum in a closure theory
Takashi Hiramatsu; Kazuya Koyama; Atsushi Taruya
Proceedings of the 18th Workshop on General Relativity and Gravitation in Japan, JGRG 2008, 2008

High-energy effects on the spectra of cosmological perturbations in braneworld cosmology
T. Hiramatsu; K. Koyama; A. Taruya
11th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories - Proc. of the MG11 Meeting on General Relativity, 2008, Refereed, Not invited

Scalar perturbations in braneworld cosmology
Antonio Cardoso; Takashi Hiramatsu; Kazuya Koyama; Sanjeev S. Seahra
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Jul. 2007, Refereed, Not invited

Primordial perturbations from slow-roll inflation on a brane
Kazuya Koyama; Andrew Mennim; V. A. Rubakov; David Wands; Takashi Hiramatsu
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Apr. 2007, Refereed, Not invited

Detecting a stochastic background of gravitational waves in the presence of non-Gaussian noise: A performance of generalized cross-correlation statistic
Yoshiaki Himemoto; Atsushi Taruya; Hideaki Kudoh; Takashi Hiramatsu
PHYSICAL REVIEW D, Jan. 2007, Refereed, Not invited

Numerical study of curvature perturbations in a brane-world inflation at high-energies
Takashi Hiramatsu; Kazuya Koyama
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, Dec. 2006, Refereed, Not invited

High-energy effects on the spectrum of the inflationary gravitational wave background in braneworld cosmology
T Hiramatsu
PHYSICAL REVIEW D, Apr. 2006, Refereed, Not invited

Detecting a gravitational-wave background with next-generation space interferometers
H Kudoh; A Taruya; T Hiramatsu; Y Himemoto
PHYSICAL REVIEW D, Mar. 2006, Refereed, Not invited

Detecting a gravitational-wave background with next-generation space interferometers
Hideaki Kudoh; Atsushi Taruya; Takashi Hiramatsu; Yoshiaki Himemoto
Physical Review D - Particles, Fields, Gravitation and Cosmology, 2006, Refereed, Not invited

Detecting a stochastic background of gravitational waves in the presence of non-Gaussian noise
Y. Himemoto; A. Taruya; H. Kudoh; T. Hiramatsu
LASER INTERFEROMETER SPACE ANTENNA, 2006, Refereed, Not invited

Gravitational wave background from neutrino-driven gamma-ray bursts
T Hiramatsu; K Kotake; H Kudoh; A Taruya
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, Dec. 2005, Refereed, Not invited

Evolution of gravitational waves in the high-energy regime of brane-world cosmology
T Hiramatsu; K Koyama; A Taruya
PHYSICS LETTERS B, Mar. 2005, Refereed, Not invited

Detecting a stochastic background of gravitational waves in presence of non-gaussian noise
Yoshiaki Himemoto; Atsushi Taruya; Hideaki Kudoh; Takashi Hiramatsu
Proceedings of the 15th Workshop on General Relativity and Gravitation in Japan, JGRG 2005, 2005

Evolution of gravitational waves from inflationary brane-world: numerical study of high-energy effects
T Hiramatsu; K Koyama; A Taruya
PHYSICS LETTERS B, Jan. 2004, Refereed, Not invited

Gravitational waves from cosmic string - domain wall networks
Takashi Hiramatsu; Masahiro Kawasaki; Ken’ichi Saikawa; Toyokazu Sekiguchi
Proceedings in the 21st workshop on General Relativity and Gravitation in Japan (JGRG21), 2012, Not refereed, Not invited

Preface
T. Hiramatsu; M. Sasaki; M. Shibata; T. Shiromizu
Proceedings of the 20th Workshop on General Relativity and Gravitation in Japan, JGRG 2010, 2010, Refereed, Not invited

DECIGO: The Japanese space gravitational wave antenna
Shuichi Sato; Seiji Kawamura; Masaki Ando; Takashi Nakamura; Kimio Tsubono; Akito Araya; Ikkoh Funaki; Kunihito Ioka; Nobuyuki Kanda; Shigenori Moriwaki; Mitsuru Musha; Kazuhiro Nakazawa; Kenji Numata; Shin Ichiro Sakai; Naoki Seto; Takeshi Takashima; Takahiro Tanaka; Kazuhiro Agatsuma; Koh Suke Aoyanagi; Koji Arai; Hideki Asada; Yoichi Aso; Takeshi Chiba; Toshikazu Ebisuzaki; Yumiko Ejiri; Motohiro Enoki; Yoshiharu Eriguchi; Masa Katsu Fujimoto; Ryuichi Fujita; Mitsuhiro Fukushima; Toshifumi Futamase; Katsuhiko Ganzu; Tomohiro Harada; Tatsuaki Hashimoto; Kazuhiro Hayama; Wataru Hikida; Yoshiaki Himemoto; Hisashi Hirabayashi; Takashi Hiramatsu; Feng Lei Hong; Hideyuki Horisawa; Mizuhiko Hosokawa; Kiyotomo Ichiki; Takeshi Ikegami; Kaiki TInoue; Koji Ishidoshiro; Hideki Ishihara; Takehiko Ishikawa; Hideharu Ishizaki; Hiroyuki Ito; Yousuke Itoh; Nobuki Kawashima; Fumiko Kawazoe; Kishimoto Naoko; Kenta Kiuchi; Shiho Kobayashi; Kazunori Kohri; Hiroyuki Koizumi; Yasufumi Kojima; Keiko Kokeyama; Wataru Kokuyama; Kei Kotake; Yoshihide Kozai; Hideaki Kudoh; Hiroo Kunimori; Hitoshi Kuninaka; Kazuaki Kuroda; Kei Ichi Maeda; Hideo Matsuhara; Yasushi Mino; Osamu Miyakawa; Shinji Miyoki; Mutsuko YMorimoto; Tomoko Morioka; Toshiyuki Morisawa; Shinji Mukohyama; Shigeo Nagano; Isao Naito; Kouji Nakamura; Hiroyuki Nakano; Kenichi Nakao; Shinichi Nakasuka; Yoshinori Nakayama; Erina Nishida; Kazutaka Nishiyama; Atsushi Nishizawa; Yoshito Niwa; Taiga Noumi; Yoshiyuki Obuchi; Masatake Ohashi; Naoko Ohishi; Masashi Ohkawa; Norio Okada; Kouji Onozato; Kenichi Oohara; Norichika Sago; Motoyuki Saijo; Masaaki Sakagami; Shihori Sakata; Misao Sasaki
Journal of Physics: Conference Series, 2009, Refereed, Not invited

The Japanese Space Gravitational Wave Antenna; DECIGO
Seiji Kawamura; Masaki Ando; Takashi Nakamura; Kimio Tsubono; Takahiro Tanaka; Ikkoh Funaki; Naoki Seto; Kenji Numata; Shuichi Sato; Kunihito Ioka; Nobuyuki Kanda; Takeshi Takashima; Kazuhiro Agatsuma; Tomotada Akutsu; Tomomi Akutsu; Koh-suke Aoyanagi; Koji Arai; Yuta Arase; Akito Araya; Hideki Asada; Yoichi Aso; Takeshi Chiba; Toshikazu Ebisuzaki; Motohiro Enoki; Yoshiharu Eriguchi; Masa-Katsu Fujimoto; Ryuichi Fujita; Mitsuhiro Fukushima; Toshifumi Futamase; Katsuhiko Ganzu; Tomohiro Harada; Tatsuaki Hashimoto; Kazuhiro Hayama; Wataru Hikida; Yoshiaki Himemoto; Hisashi Hirabayashi; Takashi Hiramatsu; Feng-Lei Hong; Hideyuki Horisawa; Mizuhiko Hosokawa; Kiyotomo Ichiki; Takeshi Ikegami; Kaiki T. Inoue; Koji Ishidoshiro; Hideki Ishihara; Takehiko Ishikawa; Hideharu Ishizaki; Hiroyuki Ito; Yousuke Itoh; Shogo Kamagasako; Nobuki Kawashima; Fumiko Kawazoe; Hiroyuki Kirihara; Naoko Kishimoto; Kenta Kiuchi; Shiho Kobayashi; Kazunori Kohri; Hiroyuki Koizumi; Yasufumi Kojima; Keiko Kokeyama; Wataru Kokuyama; Kei Kotake; Yoshihide Kozai; Hideaki Kudoh; Hiroo Kunimori; Hitoshi Kuninaka; Kazuaki Kuroda; Kei-ichi Maeda; Hideo Matsuhara; Yasushi Mino; Osamu Miyakawa; Shinji Miyoki; Mutsuko Y. Morimoto; Tomoko Morioka; Toshiyuki Morisawa; Shigenori Moriwaki; Shinji Mukohyama; Mitsuru Musha; Shigeo Nagano; Isao Naito; Noriyasu Nakagawa; Kouji Nakamura; Hiroyuki Nakano; Kenichi Nakao; Shinichi Nakasuka; Yoshinori Nakayama; Erina Nishida; Kazutaka Nishiyama; Atsushi Nishizawa; Yoshito Niwa; Masatake Ohashi; Naoko Ohishi; Masashi Ohkawa; Akira Okutomi; Kouji Onozato; Kenichi Oohara; Norichika Sago; Motoyuki Saijo; Masaaki Sakagami; Shin-ichiro Sakai; Shihori Sakata; Misao Sasaki; Takashi Sato; Masaru Shibata; Hisaaki Shinkai; Kentaro Somiya; Hajime Sotani; Naoshi Sugiyama; Yudai Suwa; Hideyuki Tagoshi; Kakeru Takahashi; Keitaro Takahashi; Tadayuki Takahashi; Hirotaka Takahashi; Ryuichi Takahashi; Ryutaro Takahashi; Akiteru Takamori; Tadashi Takano; Keisuke Taniguchi; Atsushi Taruya; Hiroyuki Tashiro; Mitsuru Tokuda; Masao Tokunari; Morio Toyoshima; Shinji Tsujikawa; Yoshiki Tsunesada; Ken-ichi Ueda; Masayoshi Utashima; Hiroshi Yamakawa; Kazuhiro Yamamoto; Toshitaka Yamazaki; Jun'ichi Yokoyama; Chul-Moon Yoo; Shijun Yoshida; Taizoh Yoshino
TAUP2007: TENTH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS, 2008, Refereed, Not invited

CMB constraints on extended theories of gravity
Takashi Hiramatsu
Nagoya-Melbourne Joint Research Workshop on Cosmology, Feb. 2024, Invited

Testing gravity with CMB -- constrains on DHOST theories and modified gravity with two tensorial degrees of freedom --
Takashi Hiramatsu
COSMO23, Sep. 2023

Gravitational waves from anisotropic inflation and cosmic strings
Takashi Hiramatsu
Kickoff workshop “Search for new particles using gravitational waves”, Jun. 2023

Gravitational waves in the early Universe
Takashi Hiramatsu
2nd mini-workshop on the Early Universe, Jun. 2023

CMB in extended theories of gravity
Takashi Hiramatsu
Molecure workshop, "Non-linear Nature of Cosmological Perturbations and its Observational Consequences", Mar. 2023

Boltzmann solver for CMB
Takashi Hiramatsu
Informal seminar in Keio University, Oct. 2022, Invited

CMB angular power spectrum in vector-tensor theories
Takashi Hiramatsu
JPS autumn meeting, Sep. 2022

Gravitational waves from cosmic strings
Takashi Hiramatsu
2nd workshop : Multimessenger Study of Heavy Dark Matter, Jul. 2022

CMB constraints on DHOST theories
Takashi Hiramatsu
Informal seminar in Waseda Uniiversity, Jul. 2022

Boltzmann solver for extended theories of gravity
Takashi Hiramatsu
Upcoming CMB Observation and Cosmology, Mar. 2022

CMB constraints on DHOST theories
Takashi Hiramatsu
JPS annual meeting, Mar. 2022

Gravitational wave spectra from oscillon formation after inflation
Takashi Hiramatsu
Zao International Conference, Feb. 2022, Invited

Gravitational wave spectra from oscillon formation after inflation
Takashi Hiramatsu
Gravitational Waves and Particle Physics, Feb. 2022

CMB constraints on a subclass of DHOST theories
Takashi Hiramatsu
JGRG30, Dec. 2021, Not invited

Gauge kinetic mixing and dark topological defects
Takashi Hiramatsu
Phenomenology in particle physics, Nov. 2021, Not invited

Cosmic string in Abelian-Higgs model with enhanced symmetry
Takashi Hiramatsu
Informal seminar in Osaka City University, Nov. 2021, Invited

Testing gravity with cosmic microwave background in DHOST theory
Takashi Hiramatsu
16th Marcel Grossmann meeting,, Jul. 2021

Gravitational wave spectra from oscillon formation after inflation
Takashi Hiramatsu
JPS annual meeting, Mar. 2021

Field-theoretic simulations of topological defects in cosmology
Takashi Hiramatsu
Informal seminar in Sun Yat-sen University, Mar. 2021, Invited

Observational constraints on Crisostomi-Koyama model
Takashi Hiramatsu
Testing Gravity THxOBS Japan, Nov. 2020, Invited

CMB bispectra induced by curl-mode lensing
Takashi Hiramatsu
JPS autumn meeting, Sep. 2020, Not invited

CMB2nd
Takashi Hiramatsu
Testing Gravity THxOBS Japan, Aug. 2020, Invited

New type of string solutions with long range forces
Takashi Hiramatsu
JPS annual meeting, Mar. 2020, Not invited

Testing gravity with CMB
Takashi Hiramatsu
JGRG29, Nov. 2019, Not invited

Testing gravity with CMB
Takashi Hiramatsu
Theoretical aspects of non-Gaussianity from modern perspectives, Nov. 2019, Not invited

Cosmological gravitational wave background and very early Universe
Takashi Hiramatsu
ICRR public lecture, Oct. 2019, Invited

Testing gravity with CMB
Takashi Hiramatsu
Autumn meeting of Physics Society in Japan, Sep. 2019, Not invited

Oscillons after inflation and gravitational waves
Takashi Hiramatsu
COSMO-19, Sep. 2019, Not invited

Parasitic higher winding strings in Abelian-Higgs model
Takashi Hiramatsu
Planet2 / RESCEU Summer School, From the Solar System to the Universe, Aug. 2019, Not invited

Oscillons after inflation and gravitational waves
Takashi Hiramatsu
Resonant instabilities in cosmology and their observational consequences, May 2019, Not invited

Oscillons after inflation and gravitational waves
Takashi Hiramatsu
74th Annual Meeting of The Physical Society of Japan, Mar. 2019, Not invited

Hunting for Statistical Anisotropy in Tensor Modes with B-mode Observations
Takashi Hiramatsu
Accelerating Universe in the Dark, Mar. 2019, Not invited

Hunting for Statistical Anisotropy in Tensor Modes with B-mode Observations
Takashi Hiramatsu
2019 YITP Asian-Pacific Winter School and Workshop on Gravitation and Cosmology, Feb. 2019, Not invited

Hunting for Statistical Anisotropy in Tensor Modes with B-mode observations
Takashi Hiramatsu
Workshop on observational cosmology, Nov. 2018, Not invited

CMB Bispectra induced by lensing
Takashi Hiramatsu
28th JGRG, Nov. 2018, Not invited

Statistical anisotropy of CMB B-mode
Takashi Hiramatsu
JPS autumn meeting, Sep. 2018, Not invited

Gravitational waves from cosmic string networks
Takashi Hiramatsu
15th Mercel Grossmann Meeting, Jul. 2018, Not invited

Dynamical screening of scalar waves in Cubic Galileon model
Takashi Hiramatsu
Workshop “Essential next steps for gravity and cosmology”, May 2018, Not invited

Computing CMB bispectra
Takashi Hiramatsu
Bispectrum workshop, Mar. 2018, Not invited

Reconstruction of primordial tensor power spectrum from B-mode observations
Takashi Hiramatsu
Yamaguchi workshop, Mar. 2018, Not invited

Dynamical screening of scalar waves in Cubic Galileon model
Takashi Hiramatsu
GC2018, Mar. 2018, Not invited

Reconstruction of primordial tensor power spectrum from B-mode observations
Takashi Hiramatsu
YKIS2018 “General Relativity ? The Next Generation ?“, Feb. 2018, Not invited

Reconstruction of primordial tensor power spectrum from B-mode observations
Takashi Hiramatsu
Symposium “Why does the Universe accelerate ?”, Feb. 2018, Not invited

Field-theoretic simulations of colliding superconducting strings
Takashi Hiramatsu
CosPA 2017, Dec. 2017, Not invited

Reconstruction of primordial tensor power spectrum from B-mode observations
Takashi Hiramatsu
27th JGRG, Nov. 2017, Not invited

Reconstruction of primordial tensor power spectrum from B-mode observations
Takashi Hiramatsu
Joint meeting of A01,A03,B01 groups in Innovative Areas “Why does the Universe accelerate?”, Sep. 2017, Not invited

Reconstruction of primordial tensor power spectrum from B-mode observations
Takashi Hiramatsu
JPS autumn meeting, Sep. 2017, Not invited

Gravitational clustering of massive neutrinos around cold dark matter halos
Takashi Hiramatsu
ICG-NAOC-YITP joint workshop “Next-generation cosmology with large-scale structure”, Sep. 2017, Not invited

Field-theoretic simulations of colliding superconducting strings
Takashi Hiramatsu
COSMO-17, Aug. 2017, Not invited

Vainshtein mechanism fro non-spherical matter distribution in Cubic Galileon model
Takashi Hiramatsu
Tohoku workshop, Aug. 2017, Not invited

Reconstruction of primordial tensor power spectrum from B-mode observations
Takashi Hiramatsu
RESCEU summer school, Jul. 2017, Not invited

Gravitational waves from cosmic strings
Takashi Hiramatsu
72th JPS annual meeting, Mar. 2017, Not invited

A new code for non-linear evolution of CMB anisotropy
Takashi Hiramatsu
Symposium “Why does the Universe accelerate ?”, Mar. 2017, Not invited

Colliding strings coupled to matter field
Takashi Hiramatsu
26th JGRG, Oct. 2016, Not invited

CMB bispectrum of tensor perturbations
Takashi Hiramatsu
JPS autumn meeting, Sep. 2016, Not invited

CMB bispectrum
Takashi Hiramatsu
Hirosaki workshop on gravity and cosmology, Aug. 2016, Not invited

Cosmic strings coupled with scalar matter field
Takashi Hiramatsu
71th JPS annual meeting, Mar. 2016, Not invited

Cosmic strings and gravitational waves
Takashi Hiramatsu
14th DECIGO meeting, Oct. 2015, Invited

CMB bispectrum
Takashi Hiramatsu
COSMO-15, Sep. 2015, Not invited

CMB bispectrum
Takashi Hiramatsu
RESCEU/APCosPa Summer School on Cosmology and Particle Astrophysics, Aug. 2015, Not invited

The CMB bispectrum from nonlinear evolution after inflation : numerical code
Takashi Hiramatsu
JPS Autumn Meeting, Mar. 2015, Not invited

progress of code development : 2nd-order Einstein-Boltzmann solver for CMB anisotropy
Takashi Hiramatsu
3rd Observational Cosmology Workshop, Nov. 2014, Not invited

progress of code development : 2nd-order Einstein-Boltzmann solver for CMB anisotropy
Takashi Hiramatsu
24th JGRG, Nov. 2014, Not invited

progress of code development : 2nd-order Einstein-Boltzmann solver for CMB anisotropy
Takashi Hiramatsu
JPS Autumn Meeting, Sep. 2014, Not invited

progress of code development : 2nd-order Einstein-Boltzmann solver for CMB anisotropy
Takashi Hiramatsu
Relativistic Cosmology, Sep. 2014, Not invited

progress of code development : 2nd-order Einstein-Boltzmann solver for CMB anisotropy
Takashi Hiramatsu
RESCEU APCosPA Summer School on Cosmology and Particle Astrophysics, Jul. 2014, Not invited

Bound states of Type-I cosmic strings
Takashi Hiramatsu
69th JPS Annual Meeting, Mar. 2014, Not invited

Bound states of extreme Type-I cosmic strings in two-dimensional space
Takashi Hiramatsu
23th JGRG, Nov. 2013, Invited

Instability of colliding metastable strings
Takashi Hiramatsu
JPS Autumn Meeting, Sep. 2013, Not invited

Type-I cosmic string network -- network density --
Takashi Hiramatsu
JPS Annual Meeting, Mar. 2013, Not invited

Type-I cosmic string network
Takashi Hiramatsu
Nishinomiya Yukawa Symposium: New Waves in Gravity and Cosmology, Dec. 2012, Not invited

Equivalence Principle Violation in Vainshtein Screened Two-Body Systems
Takashi Hiramatsu
22th JGRG, Nov. 2012, Not invited

Type-I cosmic string network
Takashi Hiramatsu
JPS Autumn Meeting, Sep. 2012, Not invited

On the Vainshtein mechanism for two body system in DGP model
Takashi Hiramatsu
13th Marcel Grossman Meeting, Jul. 2012, Not invited

On the Vainshtein mechanism for two body system in DGP model
Takashi Hiramatsu
JPS autumn meeting, Sep. 2011, Not invited

On the Vainshtein mechanism for two body system in DGP model
Takashi Hiramatsu
COSMO11, Aug. 2011, Not invited

A head-on approarch for structure formation
Takashi Hiramatsu
11th Evolution of spacetime, matter and structure in the Unvierse, Jul. 2011, Not invited

Cosmological Lattice Simulations
Takashi Hiramatsu
/Next/Astrophysics/Cosmology, Feb. 2011, Not invited

Gravitational waves from Q-balls in gravity mediation
Takashi Hiramatsu
COSMO/CosPA2010, Sep. 2010, Not invited

Gravitational waves from Q-balls in gravity mediation
Takashi Hiramatsu
JGRG20, Sep. 2010, Not invited

Gravitational waves from Q-balls
Takashi Hiramatsu
JPS autumn meeting, Sep. 2010, Not invited

Numerical study of Q-ball formation in gravity mediation
Takashi Hiramatsu
Summer Institute 2010, Aug. 2010, Not invited

Numerical study of Q-ball formation in gravity mediation
Takashi Hiramatsu
YKIS symposium 'Cosmology --The next generation --', Jun. 2010, Not invited

Numerical studies on some non-linear phenomena in the early universe
Takashi Hiramatsu
Non-gaussianity, Mar. 2010, Not invited

Q-ball charge distribution in the Affleck-Dine mechanism
Takashi Hiramatsu
65th JPS annual meeting, Mar. 2010, Not invited

Non-linear evolution of matter power spectrum in a closure theory
Takashi Hiramatsu
COSMO09, Sep. 2009, Not invited

Non-linear evolution of matter power spectrum in a closure theory
Takashi Hiramatsu
9th Evolution of spacetime, matter and structure in the Unvierse, Aug. 2009, Not invited

Non-linear power spectra in closure theory
Takashi Hiramatsu
Molecule-workshop "Non-linear cosmological perturbations", Apr. 2009, Not invited

Non-linear power spectra in f(R) gravity and DGP model
Takashi Hiramatsu
64th JPS annual meeting, Mar. 2009, Not invited

Non-linear evolution of matter power spectrum in a closure theory
Takashi Hiramatsu
JGRG18, Nov. 2008, Not invited

Non-linear evolution of matter power spectrum in a closure theory
Takashi Hiramatsu
RESCEU international symposium, Nov. 2008, Not invited

Non-linear power spectrum in modified gravity theories
Takashi Hiramatsu
JPS autumn meeting, Sep. 2008, Not invited

1-loop perturbation theory based on a closure approximation
Takashi Hiramatsu
8th Evolution of spacetime, matter and structure in the Unvierse, Aug. 2008, Not invited

バリオン音響振動の非線形進化・その2
Takashi Hiramatsu
63th JPS annual meeting, May 2008, Not invited

Cosmological power spectra in a closure theory
Takashi Hiramatsu
Cosmology Near & Far, May 2008, Not invited

Cosmological perturbations in braneworld
Takashi Hiramatsu
17th JGRG, Dec. 2007, Not invited

Scalar perturbations in braneworld cosmology
Takashi Hiramatsu
62th JPS annual meeting, Sep. 2007, Not invited

Scalar perturbations in braneworld cosmology
Takashi Hiramatsu
Evolution of spacetime and matter in the early universe, May 2007, Not invited

Scalar perturbations in RS single brane model
Takashi Hiramatsu
6th RESCEU workshop, Feb. 2007, Not invited

Evolution of curvature perturbations in a brane-world inflation at high-energies
Takashi Hiramatsu
Brane workshop, Sep. 2006, Not invited

Evolution of curvature perturbations in a brane-world inflation at high-energies
Takashi Hiramatsu
5th RESCEU workshop, Sep. 2006, Not invited

/High/effects on the spectra of cosmological perturbations in braneworld cosmology
Takashi Hiramatsu
11th Marcel Grossmann Meeting, Jul. 2006, Not invited

Transfer function of tensor perturbations in braneworld cosmology -- brane motion effects --
Takashi Hiramatsu
61th JPS annual meeting, Mar. 2006, Not invited

Numerical study of brane inflaton perturbations
Takashi Hiramatsu
JPS autumn meeting, Sep. 2005, Not invited

Evolution of gravitational waves in the high-energy regime of brane-world cosmology
Takashi Hiramatsu
COSMO05, Aug. 2005, Not invited

Numerical study of brane inflaton perturbations
Takashi Hiramatsu
RESCEU meeting, Aug. 2005, Not invited

Evolution of gravitational waves in the high-energy regime of brane-world cosmology
Takashi Hiramatsu
YKIS, Jun. 2005, Not invited

Evolution of gravitational waves in the high-energy regime of brane-world cosmology
Takashi Hiramatsu
59th Yamada conference, Jun. 2005, Not invited

Evolution of gravitational waves in the high-energy regime of brane-world cosmology
Takashi Hiramatsu
60th JPS annual meeting, Mar. 2005, Not invited

Gravitational wave background from gamma-ray-bursts
Takashi Hiramatsu
4th TAMA meeting, Feb. 2005, Not invited

Evolution of gravitational waves in the high-energy regime of brane-world cosmology
Takashi Hiramatsu
4th TAMA meeting, Feb. 2005, Not invited

Evolution of gravitational waves in the high-energy regime of brane-world cosmology
Takashi Hiramatsu
14th JGRG, Nov. 2004, Not invited

Cosmic gravitational wave background from inflationary braneworld
Takashi Hiramatsu
JPS autumn meeting, Sep. 2004, Not invited

Evolution of gravitational waves from inflationary braneworld
Takashi Hiramatsu
GR17, Jul. 2004, Not invited

Evolution of gravitational waves from inflationary brane-world
Takashi Hiramatsu
JPS annual meeting, Mar. 2004, Not invited

Evolution of gravitational waves from inflationary brane-world
Takashi Hiramatsu
GW winter school, Feb. 2004, Not invited

Evolution of gravitational waves from inflationary brane-world
Takashi Hiramatsu
13th JGRG, Dec. 2003, Not invited

Evolution of gravitational waves from inflationary brane-world
Takashi Hiramatsu
6th RESCEU conference, Nov. 2003, Not invited

Numerical study of gravitational wave background in the brane world scenario
Takashi Hiramatsu
JPS autumn meeting, Sep. 2003, Not invited

Evolution of gravitational waves from inflationary brane-world
Takashi Hiramatsu
RESCEU conference, Aug. 2003, Not invited

Computer Exercise
Apr. 2025 - Present
Nihon University

Fundamentals of Computer Networks
Apr. 2025 - Present
Nihon University

foundations of self-directed learning
Apr. 2025 - Present
Nihon University

Physics incentive
Jun. 2025 - Jul. 2025
Nihon University

Exercises for Basic Mathematics
Sep. 2023 - Mar. 2025
Rikkyo University

Hydrodynamics
Sep. 2023 - Mar. 2025
Rikkyo University

Introductory Astrophysics
Sep. 2020 - Mar. 2025
Rikkyo University

Physics Exercise II
Sep. 2020 - Mar. 2025
Rikkyo University

Introductory Seminar on Basic Physics
Apr. 2020 - Mar. 2025
Rikkyo University

Physics Exrcise III
Apr. 2020 - Mar. 2025
Rikkyo University

Physics Special Lecture C
May 2023 - May 2023
Yamagata University

Mathematics for Physics 3
Sep. 2020 - Mar. 2023
Rikkyo University

Computer Experiment I
Apr. 2020 - Aug. 2022
Rikkyo University

Apr. 2017 - Aug. 2019

Oct. 2017 - Mar. 2018

THE PHYSICAL SOCIETY OF JAPAN

数値宇宙論に基くインフレーション宇宙論の開拓
日本学術振興会, 科学研究費助成事業, Apr. 2025 - Mar. 2029
平松 尚志

Search for New Scalar Particles through Gravitational Waves
日本学術振興会, 科学研究費助成事業 基盤研究(A), Apr. 2023 - Mar. 2028
Takahiro Tanaka; Sachiko Kuroyanagi; Atsushi Nishizawa; Takashi Hiramatsu

宇宙論的背景重力波による超高エネルギー物理の開拓
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Apr. 2021 - Mar. 2025
平松 尚志

Surveying the early Universe in numerical cosmology
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B), Apr. 2016 - Mar. 2019
HIRAMATSU Takashi

宇宙マイクロ波背景放射における揺らぎの非線形進化
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area), Apr. 2016 - Mar. 2018
平松 尚志

Non-linear evolution of density fluctuations in numerical cosmology
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B), 2011 - 2013
HIRAMATSU Takashi

宇宙背景重力波の起源とその検出可能性の理論的研究
Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for JSPS Fellows, 2004 - 2006
平松 尚志

press release
Feb. 2020